I want to change date of birth in my iquama

i have Indian passport  from 10 years but in that 2 months difference  from  my birth certificat. last 5 year  i am workin in riyadh,  now i want to change  dob in my passport. after that i need to change DOB in my iquama or not?  i can abile to change or not? is it necessary? when i  going to  exit re entry  or exit time  any problem for me please replay me?

Take 3 or 4 old passports with you showing this date to IT section of Jawa to with your moaqqab

can i get any   agents  mobile number  for do all jawazat works ?